Ichitux
42 lines
1.2 KiB
TypeScript
42 lines
1.2 KiB
TypeScript
import { useState, useEffect, useCallback } from 'react';
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import AsyncStorage from '@react-native-async-storage/async-storage';
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const STORAGE_KEY = 'recent_medicine_searches';
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const MAX_ITEMS = 5;
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export function useRecentSearches() {
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const [recentSearches, setRecentSearches] = useState<string[]>([]);
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useEffect(() => {
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AsyncStorage.getItem(STORAGE_KEY).then((data) => {
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if (data) setRecentSearches(JSON.parse(data));
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});
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}, []);
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const addSearch = useCallback(async (query: string) => {
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const trimmed = query.trim();
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if (!trimmed) return;
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setRecentSearches((prev) => {
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const filtered = prev.filter((s) => s !== trimmed);
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const next = [trimmed, ...filtered].slice(0, MAX_ITEMS);
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AsyncStorage.setItem(STORAGE_KEY, JSON.stringify(next));
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return next;
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});
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}, []);
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const removeSearch = useCallback(async (query: string) => {
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setRecentSearches((prev) => {
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const next = prev.filter((s) => s !== query);
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AsyncStorage.setItem(STORAGE_KEY, JSON.stringify(next));
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return next;
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});
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}, []);
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const clearAll = useCallback(async () => {
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setRecentSearches([]);
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AsyncStorage.removeItem(STORAGE_KEY);
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}, []);
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return { recentSearches, addSearch, removeSearch, clearAll };
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}
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